The Fenix AER-02 V2.0 is an upgraded model of Fenix's popular remote pressure switch. The perfect accessory for your rail mounted flashlight, this remote switch allow you quickly turn on/off your flashlight or select momentary on with the noiseless (no click) pressure pad switch. Easily attach your remote switch either by cable ties or Velcro (both included), or with the included ALG-05 mount included in this bundle. Made of durable, non-reflective materials this remote switch is IP68 rated dustproof and waterproof underwater to 2m. The Fenix ALG-05 tactical remote pressure switch mount is specially designed for Fenix AER series tactical remote pressure switches (remote pressure switches must be purchased separately when not purchasing the bundle). With a simple push, quickly and easily attach the mount to any standard Picatinny rail. This creates a secure hold for the AER pressure switch. The body of the mount is made of aluminum alloy with hard-anodized finish, and it is non-reflective with a matte black finish, making it better for tactical concealment.